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2025-12-08 - 00:39
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sun Dec 07, 2025 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11767212263,6sleep00-21swapper/007:06:100
12061212162,7sleep20-21swapper/207:09:572
119602111101,7sleep10-21swapper/107:08:401
11775210999,7sleep30-21swapper/307:06:173
136072680,0sleep30-21swapper/310:40:213
302212650,1sleep20-21swapper/209:10:202
172842640,0sleep10-21swapper/110:25:291
98382620,0sleep120-21rcuc/112:30:231
127642610,0sleep30-21swapper/312:02:133
225472590,0sleep10-21swapper/108:10:181
223112590,0sleep122314-21kthreadcore07:15:201
270062580,0sleep30-21swapper/307:45:183
231122580,0sleep20-21swapper/210:14:082
174462570,0sleep10-21swapper/111:34:031
141192560,0sleep20-21swapper/212:32:522
37882550,0sleep00-21swapper/012:14:420
34282550,1sleep20-21swapper/207:55:142
177812550,0sleep30-21swapper/311:15:503
162442550,0sleep20-21swapper/211:00:182
147372550,0sleep00-21swapper/010:40:530
40052540,0sleep30-21swapper/309:15:053
1223499300,29cyclictest0-21swapper/108:15:121
1223999280,27cyclictest0-21swapper/211:14:542
1223999270,26cyclictest0-21swapper/210:02:592
1223999270,26cyclictest0-21swapper/208:50:402
1223999270,26cyclictest0-21swapper/207:50:352
1223999270,25cyclictest31-21ksoftirqd/212:25:522
12239992615,4cyclictest0-21swapper/210:06:592
1223999261,24cyclictest0-21swapper/210:21:312
1223999260,25cyclictest0-21swapper/209:16:312
12234992618,7cyclictest0-21swapper/111:04:381
1223499260,25cyclictest0-21swapper/110:04:081
1223499260,25cyclictest0-21swapper/109:16:151
1223499250,24cyclictest0-21swapper/112:36:021
1223499250,24cyclictest0-21swapper/111:15:221
1223499250,24cyclictest0-21swapper/109:45:271
1223999240,23cyclictest0-21swapper/210:49:582
1223999240,22cyclictest15357-21rm11:31:422
12234992422,2cyclictest0-21swapper/111:43:091
1223499240,23cyclictest0-21swapper/112:19:441
1223499240,23cyclictest0-21swapper/112:07:171
1223499240,23cyclictest0-21swapper/110:07:471
1223499240,18cyclictest0-21swapper/111:48:251
12230992416,7cyclictest0-21swapper/009:36:570
12230992415,8cyclictest0-21swapper/010:24:450
1223099241,17cyclictest0-21swapper/009:27:310
1223099240,23cyclictest0-21swapper/012:34:190
1223099240,23cyclictest0-21swapper/009:16:380
1223999230,22cyclictest0-21swapper/211:38:422
1223999230,22cyclictest0-21swapper/209:46:362
12234992321,2cyclictest0-21swapper/107:43:421
12234992316,7cyclictest0-21swapper/112:12:291
1223499231,20cyclictest0-21swapper/111:27:061
1223499230,22cyclictest0-21swapper/112:23:321
1223499230,22cyclictest0-21swapper/112:23:321
1223499230,22cyclictest0-21swapper/112:04:341
1223499230,22cyclictest0-21swapper/111:56:031
1223499230,22cyclictest0-21swapper/111:52:101
1223499230,22cyclictest0-21swapper/111:08:081
1223499230,22cyclictest0-21swapper/110:53:391
1223499230,22cyclictest0-21swapper/110:45:131
1223499230,22cyclictest0-21swapper/109:57:511
1223499230,22cyclictest0-21swapper/109:51:031
1223499230,22cyclictest0-21swapper/109:28:451
1223499230,17cyclictest0-21swapper/112:28:231
1223499230,17cyclictest0-21swapper/109:40:391
1223099232,20cyclictest0-21swapper/009:58:110
12230992316,7cyclictest0-21swapper/011:42:390
1223099230,22cyclictest0-21swapper/012:00:290
1223099230,22cyclictest0-21swapper/011:47:330
1223099230,22cyclictest0-21swapper/011:27:150
1223099230,22cyclictest0-21swapper/011:24:110
1223099230,22cyclictest0-21swapper/010:27:500
1223099230,22cyclictest0-21swapper/009:41:400
1223099230,22cyclictest0-21swapper/007:39:550
1223999226,15cyclictest0-21swapper/212:23:532
1223999226,15cyclictest0-21swapper/212:23:522
1223999222,19cyclictest29-21rcuc/210:50:462
12239992219,2cyclictest10272-21snmpd09:03:522
12239992215,6cyclictest0-21swapper/210:36:022
1223999221,4cyclictest0-21swapper/209:22:182
12239992213,8cyclictest0-21swapper/210:42:452
1223999221,20cyclictest0-21swapper/210:25:102
1223999221,20cyclictest0-21swapper/209:33:372
1223999220,21cyclictest0-21swapper/212:11:122
1223999220,21cyclictest0-21swapper/211:46:392
1223999220,21cyclictest0-21swapper/211:41:102
1223999220,21cyclictest0-21swapper/211:18:222
1223999220,21cyclictest0-21swapper/211:05:112
1223999220,21cyclictest0-21swapper/210:57:532
1223999220,21cyclictest0-21swapper/209:41:252
1223999220,21cyclictest0-21swapper/208:40:152
1223999220,20cyclictest0-21swapper/211:55:422
1223999220,1cyclictest0-21swapper/212:00:132
1223999220,16cyclictest0-21swapper/212:38:572
12234992214,7cyclictest0-21swapper/109:34:301
1223499221,20cyclictest0-21swapper/109:11:461
1223499220,21cyclictest0-21swapper/111:39:191
1223499220,21cyclictest0-21swapper/111:21:171
1223499220,21cyclictest0-21swapper/111:13:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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